v1.8.0: 新增「发送内容」三选一（只发评论/只发私信不发评论/评论+私信），私信对象明确仅评论区用户；只发私信模式下按增量判断是否记为已处理

sidepanel.js

@@ -14,11 +14,11 @@
     dlQuality: "80",
     maxN: 3,
     minPlay: 0,
-    dmEnabled: false,
+    sendWhat: "comment",
     dmCount: 2,
     dmText: ""
   };
-  const FIELDS = ["baseUrl", "apiKey", "model", "keyword", "order", "mode", "customText", "sendMode", "tid", "region", "dlQuality", "maxN", "minPlay", "dmEnabled", "dmCount", "dmText"];
+  const FIELDS = ["baseUrl", "apiKey", "model", "keyword", "order", "mode", "customText", "sendMode", "tid", "region", "dlQuality", "maxN", "minPlay", "sendWhat", "dmCount", "dmText"];
 
   let settings = Object.assign({}, DEFAULTS);
   let running = false;
@@ -73,9 +73,10 @@
   }
 
     function refreshDmVisibility() {
-    const cb = $("dmEnabled"), det = $("dmDetail");
-    if (!cb || !det) return;
-    det.style.display = cb.checked ? "block" : "none";
+    const sel = $("sendWhat"), box = $("dmBox");
+    if (!sel || !box) return;
+    // 选了「只发私信」或「评论+私信」才展开私信设置区
+    box.style.display = (sel.value === "dm" || sel.value === "both") ? "block" : "none";
   }
 
 function refreshCustomVisibility() {
@@ -339,7 +340,7 @@ function refreshCustomVisibility() {
           keyword: kw,
           maxN: Number(settings.maxN) || 3,
           minPlay: Number(settings.minPlay) || 0,
-          dmEnabled: settings.dmEnabled === true || settings.dmEnabled === "true",
+          sendWhat: ["comment", "dm", "both"].indexOf(settings.sendWhat) >= 0 ? settings.sendWhat : "comment",
           dmCount: Math.max(1, Math.min(5, Number(settings.dmCount) || 2)),
           dmText: String(settings.dmText || "").trim()
         }) });
@@ -583,7 +584,7 @@ function refreshCustomVisibility() {
           : (el.type === "number") ? (Number(el.value) || 0) : el.value;
         saveField(k, v);
         if (k === "mode") refreshCustomVisibility();
-        if (k === "dmEnabled") refreshDmVisibility();
+        if (k === "sendWhat") refreshDmVisibility();
         if (k === "mode" || k === "apiKey" || k === "baseUrl" || k === "model" || k === "customText") refreshModeWarn();
       });
       if (el.tagName === "TEXTAREA" || el.type === "text" || el.type === "password") {